98812169 has 4 divisors (see below), whose sum is σ = 99222420. Its totient is φ = 98401920.

The previous prime is 98812157. The next prime is 98812171. The reversal of 98812169 is 96121889.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 19245769 = 8920^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 98812169 - 2¹⁶ = 98746633 is a prime.

It is a super-2 number, since 2×98812169² = 19527689484969122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98812139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204764 + ... + 205245.

It is an arithmetic number, because the mean of its divisors is an integer number (24805605).

Almost surely, 2^98812169 is an apocalyptic number.

It is an amenable number.

98812169 is a deficient number, since it is larger than the sum of its proper divisors (410251).

98812169 is a wasteful number, since it uses less digits than its factorization.

98812169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410250.

The product of its digits is 62208, while the sum is 44.

The square root of 98812169 is about 9940.4310268720. The cubic root of 98812169 is about 462.3137505733.

The spelling of 98812169 in words is "ninety-eight million, eight hundred twelve thousand, one hundred sixty-nine".